Gigabyte GA-Z77X-UD5H - Multi-GPU Configuration (CrossFireX;SLI); Multi-GPU System Requirements and Connection

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Hardware Installation
1-6 Setting up AMD CrossFireX
™
/NVIDIASLIConguration
C-2. To Enable SLI Function
After installing the graphics card driver in the operating system, go
to the NVIDIA Control Panel. Browse to the Set SLI and Physx
Conguration screen and ensure Maximize 3D performance is
enabled.
A. System Requirements
- Windows 7, XP operating system
- A CrossFireX/SLI-supported motherboard with two PCI Express x16 slots and correct driver
- Two/three/four CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
- CrossFireX
(Note)
/SLI bridge connectors
- Apowersupplywithsufcientpowerisrecommended(Refertothemanualofyourgraphicscardsforthe
power requirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install the CrossFireX/SLI graphics cards on the
PCI Express x16 slots.
Step 2:
Insert the CrossFireX
(Note)
/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the
cards.
Step 3:
Plug the display cable into the graphics card on the PCI Express x16 slot.
C.ConguringtheGraphicsCardDriver
C-1. To Enable CrossFireX Function
After installing the graphics card driver in the operating system, go to the
Catalyst Control Center. Browse to Performance\AMD CrossFireX
Congurations and ensure the Enable CrossFireX
™
check box is selected
and click Apply.
(Note) The bridge connector(s) may be needed or not depending on your graphics cards.
• Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards
and driver version. Refer to the manual that came with your graphics cards for more information
about enabling CrossFireX/SLI technology.
• When two or more graphics cards are installed, we recommend that you connect the SATA power
cable(s) from the power supply to the ATX4P connector to ensure system stability.